:root{--teal:#1BA6A6;--deep:#106f77;--ink:#293a40;--muted:#677c82;--line:#dce8e8;--mist:#f2f9f8;--paper:#fff;--bg:#fbfdfc}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;font-size:15px;line-height:1.95}a{color:var(--deep)}a:hover{color:var(--teal)}.wrap{max-width:1060px;padding:0 28px;margin:auto}.site-header{background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:9;backdrop-filter:blur(12px)}.header-row{min-height:84px;display:flex;justify-content:space-between;align-items:center;gap:22px}.brand{display:flex;align-items:center;gap:13px;text-decoration:none;color:var(--ink);font-weight:700;letter-spacing:.05em;font-size:17px;line-height:1.4}.brand img{width:54px;height:54px;object-fit:contain}.brand small{font-size:10px;display:block;letter-spacing:.18em;color:var(--muted);font-weight:500;margin-top:3px}.nav{display:flex;align-items:center;gap:23px}.nav a{color:var(--ink);font-size:13px;text-decoration:none;white-space:nowrap}.nav a[aria-current=page]{color:var(--deep);font-weight:700}.nav .logout{background:none;border:0;color:var(--muted);font-size:12px;cursor:pointer}.hero{background:radial-gradient(circle at 90% 10%,#d8f0ea 0,transparent 29%),linear-gradient(125deg,#eef9f7 0,#fff 68%);border-bottom:1px solid var(--line)}.hero-inner{padding:88px 0 82px;position:relative}.eyebrow{text-transform:uppercase;letter-spacing:.24em;color:var(--deep);font-size:11px;font-weight:700}.hero h1{font-family:"Yu Mincho","Hiragino Mincho ProN",serif;font-size:clamp(30px,5vw,51px);letter-spacing:.1em;font-weight:600;line-height:1.5;margin:20px 0}.hero p{max-width:650px;color:var(--muted);font-size:15px}.hero-logo{width:125px;position:absolute;right:28px;top:75px;opacity:.13;filter:grayscale(.1)}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}.btn{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;padding:11px 22px;border-radius:6px;border:1px solid var(--teal);font-size:13px;font-weight:700;color:white;background:var(--teal);transition:.2s}.btn:hover{color:white;background:var(--deep)}.btn.secondary{color:var(--deep);background:white}.btn.secondary:hover{background:var(--mist)}section.block{padding:66px 0;border-bottom:1px solid #eaf0ef}section.block:last-child{border-bottom:0}.section-head{display:flex;align-items:center;gap:13px;margin-bottom:25px}.section-head::before{content:"";width:5px;height:28px;background:var(--teal);border-radius:4px}.section-head h2{font-size:23px;letter-spacing:.06em;font-weight:600;margin:0}.lead{font-size:17px;line-height:2.1;max-width:850px}.news{border-top:1px solid var(--line)}.news-item{display:grid;grid-template-columns:120px 1fr;gap:20px;padding:25px 0;border-bottom:1px solid var(--line)}.news time{color:var(--deep);font-weight:700;font-size:13px}.news p{margin:0 0 8px}.news p:last-child{margin-bottom:0}.quote{background:var(--mist);border-left:3px solid var(--teal);padding:34px 38px;border-radius:0 8px 8px 0;line-height:2.15}.quote p{margin:0 0 1em}.quote p:last-child{margin:0}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:26px}.panel{background:white;border:1px solid var(--line);border-radius:10px;padding:28px}.panel h3{font-size:17px;color:var(--deep);margin:0 0 14px}.panel h4{font-size:14px;margin:20px 0 6px}.panel p{margin:0 0 12px}.panel ul{padding-left:1.25em;margin:8px 0}.panel li{margin:6px 0}.note{font-size:13px;color:var(--muted)}.notice{background:#eff8f6;border:1px solid #cfebe6;border-radius:8px;padding:20px 24px}.notice p{margin:0}.year-label{font-size:15px;letter-spacing:.13em;color:var(--deep);font-weight:700;margin:26px 0 10px}.schedule{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:8px;overflow:hidden}.schedule td{padding:13px 17px;border-bottom:1px solid var(--line)}.schedule tr:last-child td{border-bottom:0}.schedule td:first-child{color:var(--deep);font-weight:700;width:120px}.schedule td:last-child{text-align:right;color:var(--muted)}.footer{background:#edf6f4;padding:37px 0;text-align:center;font-size:12px;color:var(--muted);margin-top:40px}.footer strong{display:block;color:var(--deep);font-size:14px;margin-bottom:4px}.page-intro{padding:63px 0 38px;background:linear-gradient(125deg,#eaf7f4,#fff);border-bottom:1px solid var(--line)}.page-intro h1{font-size:34px;margin:7px 0 9px;font-family:"Yu Mincho","Hiragino Mincho ProN",serif;font-weight:600;letter-spacing:.09em}.page-intro p{color:var(--muted);margin:0}.archive-toolbar{display:flex;gap:9px;padding:26px 0 6px}.year-chip{display:inline-block;padding:6px 17px;border:1px solid var(--line);border-radius:30px;background:white;text-decoration:none;color:var(--deep);font-size:13px}.archive-year{padding-top:34px}.archive-year h2{font-size:22px;color:var(--deep);border-bottom:1px solid var(--line);padding-bottom:12px}.archive-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin:25px 0 34px}.archive-card{border:1px solid var(--line);border-radius:11px;overflow:hidden;background:white;box-shadow:0 4px 20px #0c52420a}.thumb{height:166px;background:repeating-linear-gradient(135deg,#eef5f3,#eef5f3 12px,#e6f1ee 12px,#e6f1ee 24px);display:flex;align-items:center;justify-content:center;gap:7px;color:#819e99;font-size:12px;position:relative}.thumb::before{content:"▧";font-size:22px;color:#83aaa4}.archive-card .card-body{padding:20px}.index{font-size:12px;color:var(--deep);font-weight:700;letter-spacing:.03em}.date{font-size:12px;color:var(--muted);margin-left:6px}.archive-card h3{font-size:15px;line-height:1.7;margin:9px 0;font-weight:700}.archive-card p{font-size:12px;color:var(--muted);line-height:1.8;margin:0}.archive-hint{padding:16px 20px;background:var(--mist);border-radius:7px;font-size:13px;color:var(--muted)}.login-body{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at 15% 10%,#d6f1ec,transparent 35%),linear-gradient(145deg,#eef9f7,#fff);padding:25px}.login-card{max-width:450px;width:100%;border:1px solid var(--line);background:#fff;border-radius:18px;padding:48px 44px;box-shadow:0 20px 55px #0b585116;text-align:center}.login-logo{width:94px;height:94px}.login-card h1{font-size:23px;font-weight:600;letter-spacing:.08em;margin:17px 0 5px}.login-card .subtitle{font-size:13px;color:var(--muted);margin:0 0 30px}.login-card label{font-size:13px;display:block;text-align:left;font-weight:600;margin-bottom:7px}.login-card input{width:100%;padding:12px 14px;border-radius:6px;border:1px solid #bed4d2;font-size:16px}.login-card input:focus{outline:2px solid #79c9c1;outline-offset:1px}.login-card button{width:100%;padding:13px 20px;border:0;border-radius:6px;background:var(--teal);color:#fff;font-weight:700;font-size:15px;cursor:pointer;margin-top:18px}.login-card button:hover{background:var(--deep)}.error{color:#a42c36;background:#fff0f1;border-radius:5px;padding:10px;font-size:13px}.login-foot{font-size:12px;color:var(--muted);margin:23px 0 0}.small-note{color:var(--muted);font-size:12px;margin-top:18px}@media(max-width:800px){.nav{gap:13px}.nav a{font-size:12px}.archive-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.two-col{grid-template-columns:1fr}}@media(max-width:620px){.wrap{padding:0 19px}.header-row{min-height:76px;flex-wrap:wrap;gap:3px;padding-top:10px;padding-bottom:10px}.brand{font-size:14px}.brand img{width:44px;height:44px}.nav{width:100%;justify-content:space-between}.nav a{font-size:11px}.hero-inner{padding:56px 0}.hero-logo{width:80px;top:35px;right:10px}.hero h1{font-size:29px}.hero p{font-size:14px}section.block{padding:44px 0}.section-head h2{font-size:20px}.news-item{grid-template-columns:1fr;gap:3px;padding:19px 0}.quote{padding:23px 20px}.panel{padding:22px}.archive-grid{grid-template-columns:1fr;gap:15px}.archive-card{display:grid;grid-template-columns:38% 1fr}.thumb{height:100%;min-height:150px;font-size:10px;flex-direction:column}.archive-card .card-body{padding:15px}.archive-card h3{font-size:14px}.date{display:block;margin-left:0}.schedule td{padding:12px 8px;font-size:13px}.schedule td:first-child{width:75px}.page-intro h1{font-size:27px}.login-card{padding:36px 25px}}
/* v2: 共通ヒーロー、セクションメニュー、モバイルナビ */
.desktop-nav-row{border-top:1px solid #edf3f2;background:rgba(255,255,255,.96)}
.header-row{min-height:73px}.brand img{width:46px;height:46px}.brand small{display:none}
.desktop-nav{display:flex;gap:0;justify-content:space-between;align-items:center;min-height:44px}
.desktop-nav a{font-size:12px;letter-spacing:0;padding:9px 5px}.desktop-nav a:hover{color:var(--teal)}
.mobile-menu{display:none}
.shared-hero{background:linear-gradient(125deg,#eaf7f4,#fff);border-bottom:1px solid var(--line)}
.shared-hero-inner{padding:36px 0 31px}
.shared-hero h1{font-size:clamp(26px,4vw,34px);margin:0;font-family:"Yu Mincho","Hiragino Mincho ProN",serif;font-weight:600;letter-spacing:.11em;line-height:1.5}
.section-head::before{display:none}
.quote{border-left:0;border-radius:9px;padding:30px 34px}
.site-message{color:var(--deep);font-size:13px;line-height:1.95;margin:24px 0 0;padding:18px 22px;background:var(--mist);border-radius:8px}
.footer .copyright{font-size:13px;color:var(--deep);font-weight:600;margin:0 0 5px;letter-spacing:.035em}
.footer .footer-note{font-size:11px;margin:0}
html{scroll-padding-top:140px}
@media(max-width:800px){
.desktop-nav-row{display:none}.header-row{min-height:72px;flex-wrap:nowrap;padding-top:0;padding-bottom:0}
.mobile-menu{display:block;position:relative;margin-left:auto}
.mobile-menu summary{display:flex;align-items:center;gap:10px;cursor:pointer;list-style:none;font-size:12px;color:var(--deep);padding:12px 0 12px 12px}
.mobile-menu summary::-webkit-details-marker{display:none}
.menu-icon{font-size:22px;line-height:1;color:var(--deep)}
.mobile-nav{position:absolute;right:0;top:100%;width:min(290px,calc(100vw - 28px));background:#fff;border:1px solid var(--line);border-radius:9px;box-shadow:0 18px 40px #0c524218;padding:8px;display:flex;flex-direction:column;z-index:20}
.mobile-nav a{padding:11px 14px;text-decoration:none;color:var(--ink);font-size:13px;border-bottom:1px solid #f2f5f4}
.mobile-nav a:last-of-type{border-bottom:0}.mobile-nav a:hover{background:var(--mist);color:var(--deep)}
.mobile-nav form{padding:10px 14px}.mobile-nav button{font:inherit;border:0;background:transparent;color:var(--muted);cursor:pointer;padding:0}
.shared-hero-inner{padding:32px 0 26px}html{scroll-padding-top:80px}
}
@media(max-width:620px){.brand{font-size:14px}.brand img{width:43px;height:43px}.shared-hero h1{font-size:27px}.quote{padding:23px 20px}.site-message{padding:15px 17px}}
/* v3: 全セクションの統一、浅葱色、写真用ヒーロー */
:root{--teal:#1BA6A6;--mist:#e5f5f3;--line:#d1e5e3}
.desktop-nav{justify-content:flex-start;gap:12px;flex-wrap:wrap;min-height:42px}
.desktop-nav a{padding:8px 3px;font-size:12px}
.desktop-nav .logout{margin-left:0;padding:8px 3px}
.shared-hero{background:radial-gradient(circle at 82% 24%,rgba(27,166,166,.17),transparent 37%),linear-gradient(116deg,#d8f1ed 0%,#eaf7f5 52%,#fff 100%);overflow:hidden}
.shared-hero-inner{position:relative;height:220px;padding:0}
.hero-watermark{position:absolute;right:7%;top:50%;transform:translateY(-50%);height:174px;width:174px;object-fit:contain;opacity:.15;pointer-events:none}
section.block{padding:24px 0;border-bottom:0}
section.block:first-of-type{padding-top:40px}
section.block > .wrap{background:linear-gradient(127deg,#d3eeec 0%,#e8f7f4 47%,#f8fcfb 100%);border:1px solid #cce7e3;border-radius:14px;padding:32px 36px;box-shadow:0 3px 17px #155b5308}
.section-head{margin-bottom:19px}
.section-head h2{color:var(--teal);font-weight:700}
.news,.quote,.panel,.notice,.lead,.schedule{background:rgba(255,255,255,.94);border:1px solid #deecea;border-radius:9px}
.news{padding:0 23px}
.news-item:last-child{border-bottom:0}
.quote{padding:30px 34px;line-height:2.15}
.lead{max-width:none;padding:24px 28px;margin:0}
.panel{padding:26px}
.notice{padding:22px 26px}
.year-label{color:var(--deep)}
.archive-year h2{color:var(--teal)}
.archive-hint{background:linear-gradient(120deg,#d8f0ed,#f1faf8);border:1px solid #cce7e3}
@media(max-width:800px){.shared-hero-inner{height:170px}.hero-watermark{width:134px;height:134px}.desktop-nav{display:none}}
@media(max-width:620px){.shared-hero-inner{height:135px}.hero-watermark{width:113px;height:113px;right:6%}section.block{padding:13px 0}section.block:first-of-type{padding-top:24px}section.block > .wrap{padding:22px 18px;border-radius:10px}.news{padding:0 15px}.quote{padding:20px 18px}.lead{padding:20px 18px;font-size:15px}.panel{padding:20px}.notice{padding:18px}.desktop-nav a{font-size:11px}}
/* v4 — 流れる水のような一体感を持つ、端正なレイアウト */
:root{--teal:#1BA6A6;--deep:#106f77;--line:#c7e1de}
.desktop-nav{justify-content:center;gap:clamp(17px,2vw,29px);flex-wrap:nowrap;min-height:54px}
.desktop-nav a{font-size:13px;letter-spacing:.015em;padding:12px 0;font-weight:600}
.desktop-nav-row{border-top:1px solid #edf3f2}
main{background:linear-gradient(115deg,#d1eeea 0%,#e0f3f0 22%,#f5fbfa 52%,#e1f2ef 75%,#f8fcfb 100%)}
.shared-hero{background:radial-gradient(circle at 79% 29%,rgba(27,166,166,.2),transparent 35%),linear-gradient(110deg,#d1eeea,#e7f5f2 61%,#f5fbfa);border-bottom:1px solid rgba(35,126,124,.1)}
section.block,section.block:first-of-type{padding:0;border:0}
section.block > .wrap{padding:48px 28px 50px;background:none;border:0;border-radius:0;box-shadow:none;border-bottom:1px solid rgba(37,115,113,.21)}
section.block:last-child > .wrap{border-bottom:0}
.section-head{margin-bottom:21px}
.section-head h2{color:var(--teal);font-weight:650}
.news,.quote,.panel,.notice,.lead,.schedule{background:none;border:0;border-radius:0;box-shadow:none}
.news{padding:0;border:0}
.news-item{padding:18px 0;border-bottom:1px solid rgba(31,112,111,.20)}
.news-item:last-child{border-bottom:0}
.quote{padding:0;line-height:2.1}
.lead{padding:0;margin:0;max-width:850px;font-size:15px;line-height:1.95}
.panel{padding:0}
.two-col{gap:45px}
.panel h3{padding-bottom:10px;border-bottom:1px solid rgba(31,112,111,.19)}
.notice{padding:0}
.schedule{background:none;border:0;border-radius:0}
.schedule td{border-bottom:1px solid rgba(31,112,111,.20);background:none;padding:13px 16px}
.schedule tr:last-child td{border-bottom:1px solid rgba(31,112,111,.20)}
.year-label{margin:23px 0 7px}
.btn,.year-chip{border-radius:2px;font-weight:600}
.btn.secondary{background:rgba(255,255,255,.34)}
.archive-toolbar{padding:29px 0 5px;gap:12px}
.year-chip{padding:6px 19px;border-color:#8ec9c5;background:transparent;border-radius:2px}
.year-chip:hover{background:rgba(255,255,255,.5)}
.archive-year h2{border-bottom:1px solid rgba(31,112,111,.20)}
.archive-card{border-radius:2px;border-color:rgba(31,112,111,.18);box-shadow:none}
.thumb{border-radius:0}
.footer{background:#e7f2ef;margin-top:0;border-top:1px solid rgba(31,112,111,.12)}
.footer .copyright{font-weight:400;color:var(--ink);font-size:12px;letter-spacing:.02em}
@media(max-width:800px){.desktop-nav{display:none}}
@media(max-width:620px){section.block > .wrap{padding:35px 19px 38px}.two-col{gap:32px}.news-item{padding:16px 0}.quote{padding:0}.lead{padding:0;font-size:15px}.panel{padding:0}.notice{padding:0}.schedule td{padding:11px 5px}.shared-hero-inner{height:135px}}
/* v5 — 線で分断せず、水面の濃淡と余白で構成 */
.brand{color:var(--deep);}
.brand:hover{color:var(--teal)}
.desktop-nav{min-height:40px;gap:clamp(17px,2.1vw,30px)}
.desktop-nav a{color:var(--deep);padding:6px 0;font-weight:700;line-height:1.5}
.desktop-nav a:hover{color:var(--teal)}
.desktop-nav-row{border-top:1px solid #edf3f2}
.mobile-nav a{color:var(--deep)}
/* セクション区切りは線ではなく余白のみ */
section.block > .wrap{border-bottom:0;padding-top:33px;padding-bottom:35px}
section.block:first-of-type > .wrap{padding-top:40px}
.section-head{margin-bottom:14px}
/* お知らせの行を引き締める */
.news-item{padding:11px 0;gap:14px}
.news p{line-height:1.7}
.news-item:last-child{border-bottom:0}
/* 年・回・日付・時間のまとまりを明確にする */
.year-label{margin:18px 0 5px}
.schedule td{padding:9px 10px;line-height:1.65}
.schedule td:first-child{width:115px}
.schedule td:nth-child(2){width:180px}
.schedule td:last-child{text-align:left;color:var(--muted);width:auto}
@media(max-width:800px){.brand{color:var(--deep)}}
@media(max-width:620px){
section.block > .wrap{padding-top:28px;padding-bottom:29px}
section.block:first-of-type > .wrap{padding-top:33px}
.news-item{padding:10px 0}
.schedule td{padding:9px 5px;font-size:12px}
.schedule td:first-child{width:65px}
.schedule td:nth-child(2){width:auto}
.schedule td:last-child{width:84px;white-space:nowrap}
}
/* v6 — 淡い水面、端正な単列組み、講師の言葉のタイポグラフィ */
main{background:linear-gradient(118deg,#eaf7f5 0%,#f3faf9 27%,#fbfefd 52%,#eef8f6 75%,#fbfefd 100%)}
.shared-hero{background:radial-gradient(circle at 80% 28%,rgba(27,166,166,.135),transparent 36%),linear-gradient(110deg,#e5f5f2,#f1faf8 62%,#fbfefd)}
/* 長すぎる罫線を防ぎ、回・日付・時刻を一つのまとまりにする */
.schedule{width:min(100%,720px);table-layout:fixed}
.schedule td:first-child{width:120px}
.schedule td:nth-child(2){width:235px}
.schedule td:last-child{width:auto}
/* 解説や案内は横に並べず、文章を上から下へ読ませる */
.two-col{display:grid;grid-template-columns:minmax(0,1fr);gap:27px;max-width:900px}
.panel h3{max-width:900px;margin-bottom:13px;padding-bottom:8px;color:var(--deep)}
.panel h4,.panel strong,main strong{color:var(--deep)}
.panel p{max-width:840px}
/* 講師の言葉：枠なし、幅を絞ったエディトリアルな文字組み */
#message .quote{max-width:825px;position:relative;margin:6px 0 3px;padding:5px 0 5px 44px;line-height:1.9;letter-spacing:.018em}
#message .quote::before{content:'「';position:absolute;left:-2px;top:-20px;font-family:'Yu Mincho','Hiragino Mincho ProN',serif;font-size:82px;font-weight:400;color:rgba(16,111,119,.23);line-height:1}
#message .quote p{margin:0 0 .83em}
#message .quote p:last-child{margin-bottom:0}
@media(max-width:620px){
.schedule{width:100%}
.schedule td:first-child{width:66px}
.schedule td:nth-child(2){width:auto}
.schedule td:last-child{width:89px}
.two-col{gap:23px}
#message .quote{padding-left:24px;line-height:1.85}
#message .quote::before{left:-6px;top:-8px;font-size:49px}
}
/* v7 — 左側の講習写真と右側の透かしマークを共存させる */
.shared-hero{
background-color:#f0f9f7;
background-image:linear-gradient(90deg,rgba(232,248,245,.03),rgba(225,245,241,.12)),url("/img/hero.png");
background-position:center center;
background-size:cover;
background-repeat:no-repeat;
}
.shared-hero-inner{height:clamp(220px,26.04vw,380px)}
.hero-watermark{right:7%;height:clamp(124px,13vw,198px);width:clamp(124px,13vw,198px);opacity:.16}
/* 引用の鉤括弧は本文と同じ左端の座標系に収める */
#message .quote{padding-left:52px;padding-top:7px}
#message .quote::before{left:0;top:3px;font-size:62px;line-height:1}
@media(max-width:800px){
.shared-hero{background-position:46% center}
.shared-hero-inner{height:clamp(180px,32vw,260px)}
.hero-watermark{right:5%;width:110px;height:110px;opacity:.13}
}
@media(max-width:620px){
.shared-hero{background-position:43% center}
.shared-hero-inner{height:185px}
.hero-watermark{right:2%;width:78px;height:78px;opacity:.14}
#message .quote{padding-left:32px;padding-top:2px}
#message .quote::before{left:0;top:3px;font-size:45px}
}
/* v8: 明確なログアウト操作（PC/スマートフォン） */
.desktop-nav .logout-form{margin:0;display:flex;align-items:center}
.desktop-nav .logout-button{font:inherit;font-size:13px;font-weight:600;letter-spacing:.015em;color:var(--deep);border:0;border-left:1px solid rgba(16,111,119,.26);background:transparent;padding:6px 0 6px 22px;cursor:pointer;white-space:nowrap}
.desktop-nav .logout-button:hover,.mobile-nav .logout-button:hover{color:var(--teal)}
.mobile-nav .logout-form{margin:0;padding:0}
.mobile-nav .logout-button{width:100%;display:block;text-align:left;padding:11px 14px;color:var(--deep);font:inherit;font-size:13px;font-weight:600;background:none;border:0;cursor:pointer}
/* v9 — アーカイブ専用：見出し、案内、各回の題名 */
.archive-intro{padding:44px 0 12px}
.archive-intro h1{margin:0 0 12px;color:var(--teal);font-size:clamp(23px,3vw,30px);font-weight:650;letter-spacing:.06em}
.archive-intro p{margin:0;line-height:1.9;font-size:15px;color:var(--ink)}
.archive-card h3{color:#106F77}
@media(max-width:620px){.archive-intro{padding:32px 0 8px}.archive-intro p{font-size:14px}}
/* v12 — アーカイブと動画視聴を一画面に統合 */
.archive-watch-row{margin-top:14px;padding-top:12px}
.video-watch{display:inline-flex;align-items:center;justify-content:center;min-height:37px;padding:7px 20px;border:1px solid #106F77;color:#106F77;background:rgba(255,255,255,.55);text-decoration:none;font-size:13px;font-weight:600;letter-spacing:.04em;border-radius:2px;transition:background-color .18s,color .18s}
a.video-watch:hover,a.video-watch:focus-visible{background:#106F77;color:#fff}
.video-unavailable{border-color:rgba(76,118,118,.3);color:#6e8585;background:rgba(255,255,255,.2);cursor:default;font-weight:400}
/* 2026-11: 16:9 thumbnails across desktop/mobile */
.archive-card .thumb{width:100%;height:auto;min-height:0;aspect-ratio:16/9;display:flex;overflow:hidden}
.archive-card .thumb img{display:block;width:100%;height:100%;object-fit:contain}
.archive-watch-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.archive-watch-row .video-watch{min-width:0;padding-left:13px;padding-right:13px}
@media(max-width:620px){.archive-card{display:flex;flex-direction:column}.archive-card .thumb{height:auto;min-height:0;aspect-ratio:16/9}.archive-card .card-body{min-height:0}}

/* v13: アーカイブの視聴アクションをカードの最下部で揃える */
.archive-card{display:flex;flex-direction:column;min-width:0}
.archive-card .thumb{flex:0 0 auto}
.archive-card .card-body{display:flex;flex-direction:column;flex:1;min-width:0}
.archive-watch-row{margin-top:auto;padding-top:22px}
@media(max-width:620px){.archive-card{display:grid;grid-template-columns:38% minmax(0,1fr)}.archive-card .card-body{min-height:155px}.archive-card .thumb{height:100%}}
/* ログイン：元のマークを中心に据えた専用画面 */
.members-login-page{min-height:100vh;display:grid;place-items:center;padding:30px 18px;background:linear-gradient(130deg,#e9f7f5 0%,#fff 52%,#eff8f6 100%)}
.members-login-card{width:min(100%,450px);padding:46px 42px 40px;background:#fff;border:1px solid #d8eae7;box-shadow:0 18px 50px rgba(16,111,119,.08);text-align:center}
.members-login-card .login-logo{width:90px;height:90px;object-fit:contain}
.members-login-card h1{color:#106F77;font-size:23px;margin:18px 0 7px;letter-spacing:.06em}
.members-login-card .members-desc{font-size:13px;margin:0 0 22px}
.members-login-card .member-form{margin:0;text-align:left;max-width:none}
.members-login-card .member-form button{width:100%;justify-self:stretch;margin-top:5px}
.members-login-card .warning{text-align:left;font-size:13px}
@media(max-width:620px){.members-login-card{padding:34px 24px}.members-login-card .login-logo{width:76px;height:76px}}
/* 会員管理：固定氏名列の権限マトリクス */
.management-filter{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 20px}
.management-filter a{padding:7px 13px;text-decoration:none;border:1px solid #8fbeb9;color:#106F77;font-size:13px}
.management-filter a[aria-current="page"]{background:#106F77;color:#fff}
.management-summary{color:#526963;font-size:13px;margin:9px 0}
.matrix-scroll{overflow-x:auto;max-width:100%;border:1px solid #cadfdb;background:rgba(255,255,255,.78);margin:16px 0 32px}
.matrix{border-collapse:separate;border-spacing:0;font-size:12px;white-space:nowrap;min-width:max-content;width:100%}
.matrix th,.matrix td{padding:9px 8px;text-align:center;border-right:1px solid #e4eeeb;border-bottom:1px solid #e4eeeb}
.matrix th{color:#106F77;background:#eaf6f3;font-weight:700;position:sticky;top:0;z-index:1}
.matrix .matrix-name{position:sticky;left:0;background:#f8fcfa;text-align:left;min-width:156px;max-width:200px;white-space:normal;z-index:2;box-shadow:2px 0 4px #1b55550b}
.matrix th.matrix-name{z-index:3;background:#eaf6f3}
.matrix input[type=checkbox]{accent-color:#106F77;width:17px;height:17px;cursor:pointer}
.matrix .save-matrix{background:#106F77;color:white;border:0;padding:7px 11px;cursor:pointer;font-size:12px}
.matrix .all-access-note{color:#106F77;font-size:11px}
.member-group-control{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.member-group-control select{border:1px solid #a3c8c3;background:white;padding:7px 9px;font:inherit;font-size:12px;color:#106F77}
.member-group-control button,.bulk-grant button{border:1px solid #106F77;background:#fff;color:#106F77;padding:7px 11px;font:inherit;font-size:12px;cursor:pointer}
.member-group-control button:hover,.bulk-grant button:hover{background:#eaf6f3}
.bulk-grant{display:inline-block;margin:6px 0 15px}
.management-group-title{border-bottom:1px solid #b9d9d5;color:#106F77;margin-top:36px}
.group-member-name{font-weight:700;color:#106F77}
@media(max-width:620px){.matrix .matrix-name{min-width:130px}.members-login-card{border-radius:2px}}


.members-hero { padding:36px 0 14px; }
.members-hero h1 {font-size:clamp(25px,3vw,35px);color:#106F77;letter-spacing:.08em;}
.members-desc {color:#445a59;line-height:1.9;}
.member-form {display:grid;gap:12px;max-width:560px;margin:24px 0;}
.member-form label {display:grid;gap:7px;font-weight:600;color:#106F77;}
.member-form input,.member-form select {border:1px solid #91b3b0;border-radius:2px;padding:11px 12px;font:inherit;background:white;max-width:100%;}
.member-form button,.smallbutton {border:1px solid #106F77;background:#106F77;color:white;padding:10px 20px;font:inherit;cursor:pointer;border-radius:2px;}
.member-form button {justify-self:start;}
.member-table {width:100%;border-collapse:collapse;margin:16px 0 32px;font-size:14px;}
.member-table th,.member-table td {text-align:left;padding:12px 8px;border-bottom:1px solid #d5e8e5;vertical-align:top;}
.member-table th {color:#106F77;}
.account-actions{margin:8px 0 22px;padding:12px 0 20px;border-bottom:1px solid #d5e8e5;}
.account-actions h3{font-size:15px;color:#106F77;margin:0 0 8px;}
.account-actions .inline-form{margin:8px 0;}
.account-actions .danger-button{background:#fff;color:#9f2937;border-color:#9f2937;}
.account-actions .danger-button:hover{background:#fff2f2;}
.account-actions input.confirm-id{width:190px;max-width:100%;}
.account-actions .account-state{font-size:13px;color:#52635f;}
.permission-list {display:grid;gap:8px;margin:20px 0 40px;}
.permission-row {display:flex;gap:16px;align-items:start;justify-content:space-between;border-bottom:1px solid #d7e9e6;padding:13px 0;}
.permission-row h3 {font-size:16px;color:#106F77;margin:0 0 5px;}
.permission-row p {margin:0;font-size:13px;line-height:1.7;color:#526563;}
.muted {color:#687d7b;}.warning {color:#9c3b2e;}.status {padding:8px 0;font-weight:600;color:#106F77;}
.inline-form {display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:12px 0;}
.inline-form input,.inline-form select {font:inherit;border:1px solid #91b3b0;padding:8px 10px;max-width:100%;}
.inline-form button {background:#106F77;color:white;border:0;padding:9px 13px;cursor:pointer;}
@media(max-width:680px){.member-table {font-size:12px}.member-table th,.member-table td{padding:8px 4px}.permission-row{display:block}.permission-row a{display:inline-block;margin-top:8px}}
/* v13: アーカイブの視聴アクションをカードの最下部で揃える */
.archive-card{display:flex;flex-direction:column;min-width:0}
.archive-card .thumb{flex:0 0 auto}
.archive-card .card-body{display:flex;flex-direction:column;flex:1;min-width:0}
.archive-watch-row{margin-top:auto;padding-top:22px}
@media(max-width:620px){.archive-card{display:grid;grid-template-columns:38% minmax(0,1fr)}.archive-card .card-body{min-height:155px}.archive-card .thumb{height:100%}}
/* ログイン：元のマークを中心に据えた専用画面 */
.members-login-page{min-height:100vh;display:grid;place-items:center;padding:30px 18px;background:linear-gradient(130deg,#e9f7f5 0%,#fff 52%,#eff8f6 100%)}
.members-login-card{width:min(100%,450px);padding:46px 42px 40px;background:#fff;border:1px solid #d8eae7;box-shadow:0 18px 50px rgba(16,111,119,.08);text-align:center}
.members-login-card .login-logo{width:90px;height:90px;object-fit:contain}
.members-login-card h1{color:#106F77;font-size:23px;margin:18px 0 7px;letter-spacing:.06em}
.members-login-card .members-desc{font-size:13px;margin:0 0 22px}
.members-login-card .member-form{margin:0;text-align:left;max-width:none}
.members-login-card .member-form button{width:100%;justify-self:stretch;margin-top:5px}
.members-login-card .warning{text-align:left;font-size:13px}
@media(max-width:620px){.members-login-card{padding:34px 24px}.members-login-card .login-logo{width:76px;height:76px}}
/* 会員管理：固定氏名列の権限マトリクス */
.management-filter{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 20px}
.management-filter a{padding:7px 13px;text-decoration:none;border:1px solid #8fbeb9;color:#106F77;font-size:13px}
.management-filter a[aria-current="page"]{background:#106F77;color:#fff}
.management-summary{color:#526963;font-size:13px;margin:9px 0}
.matrix-scroll{overflow-x:auto;max-width:100%;border:1px solid #cadfdb;background:rgba(255,255,255,.78);margin:16px 0 32px}
.matrix{border-collapse:separate;border-spacing:0;font-size:12px;white-space:nowrap;min-width:max-content;width:100%}
.matrix th,.matrix td{padding:9px 8px;text-align:center;border-right:1px solid #e4eeeb;border-bottom:1px solid #e4eeeb}
.matrix th{color:#106F77;background:#eaf6f3;font-weight:700;position:sticky;top:0;z-index:1}
.matrix .matrix-name{position:sticky;left:0;background:#f8fcfa;text-align:left;min-width:156px;max-width:200px;white-space:normal;z-index:2;box-shadow:2px 0 4px #1b55550b}
.matrix th.matrix-name{z-index:3;background:#eaf6f3}
.matrix input[type=checkbox]{accent-color:#106F77;width:17px;height:17px;cursor:pointer}
.matrix .save-matrix{background:#106F77;color:white;border:0;padding:7px 11px;cursor:pointer;font-size:12px}
.matrix .all-access-note{color:#106F77;font-size:11px}
.member-group-control{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.member-group-control select{border:1px solid #a3c8c3;background:white;padding:7px 9px;font:inherit;font-size:12px;color:#106F77}
.member-group-control button,.bulk-grant button{border:1px solid #106F77;background:#fff;color:#106F77;padding:7px 11px;font:inherit;font-size:12px;cursor:pointer}
.member-group-control button:hover,.bulk-grant button:hover{background:#eaf6f3}
.bulk-grant{display:inline-block;margin:6px 0 15px}
.management-group-title{border-bottom:1px solid #b9d9d5;color:#106F77;margin-top:36px}
.group-member-name{font-weight:700;color:#106F77}
@media(max-width:620px){.matrix .matrix-name{min-width:130px}.members-login-card{border-radius:2px}}
/* v4: 表の右端でも操作の段を整える */
.matrix th.matrix-actions-head{min-width:420px}
.matrix td:last-child{min-width:420px;width:420px;vertical-align:top}
.matrix .member-actions{margin:10px 0 8px;max-width:none;text-align:left;white-space:normal}
.matrix .member-actions>summary{max-width:100%;text-align:left}
.member-actions-panel{min-width:390px;max-width:none;padding:16px;gap:0}
.member-actions-heading{margin:0 0 12px}
.member-actions-panel .account-control-row{display:grid;grid-template-columns:minmax(0,1fr) 142px;align-items:end;column-gap:10px;row-gap:6px;padding:11px 0;margin:0;border-bottom:1px solid #e6f0ec;text-align:left}
.member-actions-panel .account-control-row label{min-width:0;display:grid;gap:5px;text-align:left;font-size:12px;color:#293a40}
.member-actions-panel .account-control-row input,.member-actions-panel .account-control-row select{min-width:0;width:100%;height:38px;margin:0;padding:7px 9px}
.member-actions-panel .account-control-row button{align-self:end;justify-self:stretch;min-height:38px;padding:7px 10px;white-space:normal;font-size:12px}
.member-actions-panel .account-control-single{grid-template-columns:minmax(0,1fr) 142px}
.member-actions-panel .account-control-single button{grid-column:2}
.member-actions-panel .account-control-row:last-child{border-bottom:0}
@media(max-width:620px){.matrix td:last-child{min-width:360px;width:360px}.member-actions-panel{min-width:330px;padding:12px}.member-actions-panel .account-control-row{grid-template-columns:minmax(0,1fr) 120px}}
/* 動画リンク: 左から回・URL・保存ボタンの3列で固定 */
.video-link-list{border-top:1px solid #cddfda;margin-top:14px;max-width:100%}
.video-link-head,.video-link-row{display:grid;grid-template-columns:minmax(190px,1.15fr) minmax(240px,2fr) 112px;align-items:center;column-gap:18px}
.video-link-head{padding:10px 14px;color:#106F77;background:#eaf6f3;font-size:12px;font-weight:700}
.video-link-row{padding:14px;border-bottom:1px solid #dceae6;margin:0}
.video-link-row:nth-child(odd){background:rgba(255,255,255,.5)}
.video-link-title{display:flex;flex-direction:column;gap:1px;line-height:1.55;font-size:13px;min-width:0;white-space:normal}
.video-link-episode{color:#106F77;font-weight:700;white-space:nowrap}
.video-link-row input{width:100%;min-width:0;padding:10px;border:1px solid #a7c8c0;background:white;font-size:13px}
.video-link-row button{min-height:42px;white-space:nowrap;cursor:pointer}
@media(max-width:760px){.video-link-head{display:none}.video-link-row{grid-template-columns:minmax(0,1fr) 112px;gap:9px 12px}.video-link-title{grid-column:1/-1}.video-link-row input{grid-column:1}.video-link-row button{grid-column:2}}
/* v5: 操作部品の色をサイトの浅葱色に統一。構造・機能は変更しない */
.matrix .member-actions-panel .account-control-row button,
.video-link-list .video-link-row button {
appearance:none;
-webkit-appearance:none;
border:1px solid #106F77;
border-radius:2px;
background:#106F77;
color:#fff;
font-family:inherit;
font-weight:600;
line-height:1.4;
box-shadow:none;
transition:background-color .15s ease,border-color .15s ease;
}
.matrix .member-actions-panel .account-control-row button:hover,
.video-link-list .video-link-row button:hover {background:#0b5960;border-color:#0b5960}
.matrix .member-actions-panel .account-control-row button:focus-visible,
.video-link-list .video-link-row button:focus-visible,
.matrix .member-actions-panel select:focus-visible,
.matrix .member-actions-panel input:focus-visible,
.video-link-list .video-link-row input:focus-visible {outline:2px solid #1BA6A6;outline-offset:2px}
/* 危険操作だけは赤系の輪郭で区別し誤操作を防ぐ */
.matrix .member-actions-panel .account-control-row .danger-button {border:1px solid #b46a6a;background:#fff;color:#963b3b}
.matrix .member-actions-panel .account-control-row .danger-button:hover {background:#fff1f1;border-color:#963b3b}
.matrix .member-actions-panel .account-control-row input,
.matrix .member-actions-panel .account-control-row select,
.video-link-list .video-link-row input {
appearance:auto;
border-color:#8dbbb5;
border-radius:2px;
background:#fff;
color:#293a40;
font-family:inherit;
}
.matrix .member-actions-panel .account-control-row select {color:#106F77}
.matrix .member-actions-panel .account-control-row button:disabled,
.video-link-list .video-link-row button:disabled {opacity:.5;cursor:not-allowed}
/* FINAL responsive archive override */
.archive-card .thumb{width:100%;height:auto;min-height:0;aspect-ratio:16/9;display:flex;overflow:hidden}
.archive-card .thumb img{width:100%;height:100%;object-fit:contain;display:block}
.archive-watch-row{display:flex;align-items:center;flex-wrap:wrap;gap:8px}
@media(max-width:620px){.archive-card{display:flex;flex-direction:column}.archive-card .thumb{height:auto;min-height:0;aspect-ratio:16/9}.archive-card .card-body{min-height:0}}

/* 第1回サムネイルのプレースホルダー記号を非表示 */
.thumb.has-image::before{display:none}

/* KINSEI_ALL_MATERIALS_20261111: 16:9 private thumbnails, no text or icon on locked cards */
.archive-card .thumb.has-image::before, .archive-card .thumb.thumb-locked::before{content:none;display:none}
.archive-card .thumb.has-image{background:#f3f7f6}
.archive-card .thumb.has-image img{width:100%;height:100%;object-fit:cover;display:block}
.archive-card .thumb.thumb-locked{color:transparent}